30842889

Names of 30842889

• Cardinal: 30842889 can be written as Thirty million, eight hundred forty-two thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 3.0842889 × 10⁷

Factors of 30842889

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 133540

Divisors of 30842889

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 7 11 21 33 77 231 133519 400557 934633 1468709 2803899 4406127 10280963 30842889
• Sum of all divisors σ(n): 51271680
• Sum of proper divisors (its aliquot sum) s(n): 20428791
• 30842889 is a deficient number, because the sum of its proper divisors (20428791) is less than itself. Its deficiency is 10414098

Bases of 30842889

• Binary: 1110101101010000000001001₂
• Hexadecimal: 0x1D6A009
• Base-36: ID2IX

Squares and roots of 30842889

• 30842889 squared (30842889²) is 951283801866321
• 30842889 cubed (30842889³) is 29340340708460931441369
• The square root of 30842889 is 5553.6374566585
• The cube root of 30842889 is 313.6064721317

Scales and comparisons

• 30,842,889 seconds is equal to 50 weeks, 6 days, 23 hours, 28 minutes, 9 seconds.
• To count from 1 to 30,842,889 would take you about twenty-four weeks!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 30842889 cubic inches would be around 26.1 feet tall.

Recreational maths with 30842889

• 30842889 backwards is 98824803
• The number of decimal digits it has is: 8
• The sum of 30842889's digits is 42
• More coming soon!